How much does a 3.00 to 4.99ct G I1 natural oval diamond cost?

As of September 2026, 3.00 to 4.99ct G I1 natural oval diamonds typically cost $18,006 NZD to $156,436 NZD, with a median price of $56,986 NZD. There are currently 28 diamonds matching this specification available across retailers.

Where can I find the best price on a G I1 oval diamond?

About 23% of these diamonds are available at multiple retailers, with an average price spread of 95%. A comparison tool like Carat Hunter lets you see all the prices side by side.

3.00 to 4.99ct G I1 Natural Oval

Quick answer

As of September 2026, there are 28 natural oval diamonds with G colour and I1 clarity in the 3.00 to 4.99ct range available across retailers worldwide. Prices typically run $18,006 NZD to $156,436 NZD, with a median of $56,986 NZD. At least 20 retailers stock this exact specification, and 23% of the stones appear at more than one of them, with an average price spread of 95%. Half of all listings fall between $8,029 NZD and $25,566 NZD per carat. Over the last 30 days the median price moved -25.7% and the number of listings moved -55.8%.

Three of the best scored stones at this specification right now:

Caratlytics Diamond Price Index, August 2026: natural diamonds at 2,184 USD per carat and lab-grown at 464 USD per carat, a natural to lab ratio of 4.7 to 1. Oval natural stones in the index: 2,380 USD per carat, -9.6% month on month. See the full index release

Figures come from live listings across more than 100 retailers and refresh daily. The index is a monthly release.

Last updated: September 2026

Available

Lowest Price

$11,157 NZD

Highest Price

$258,736 NZD

Average Price

$75,064 NZD

Market Intelligence

Retailers Selling

Cross Retailer %

22.6%

Price Spread

95.0%

30-Day Price Trend

-25.7%

30-Day Supply Change

-55.8%

Volatility (30d)

0.00

Price Range

Price per carat distribution across retailers

$10,632/ct

10th Percentile

$3,472

Median

$10,632

90th Percentile

$16,817

Score Distribution

28 diamonds scored across 4 quality tiers

Excellent

3 (10.7%)

Very Good

6 (21.4%)

Good

1 (3.6%)

Average

18 (64.3%)

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Related Specifications

D IF D VVS1 D VVS2 D VS1 D VS2 D SI1 E IF E VVS1 E VVS2 E VS1 E VS2 E SI1 F IF F VVS1 F VVS2 F VS1 F VS2 F SI1 G IF G VVS1 G VVS2 G VS1 G VS2 G SI1 H IF H VVS1 H VVS2 H VS1 H VS2 H SI1 I IF I VVS1 I VVS2 I VS1 I VS2 I SI1